2025

22 incidents

2024

52 incidents

2023

109 incidents

2022

98 incidents

2021

109 incidents

2020

101 incidents

2019

114 incidents

2018

124 incidents

2017

141 incidents

2016

133 incidents

2015

143 incidents

2014

126 incidents

2013

122 incidents

2012

117 incidents

2011

128 incidents

2010

101 incidents

2009

120 incidents

2008

122 incidents

2007

113 incidents

2006

103 incidents

2005

103 incidents

2004

92 incidents

2003

92 incidents

2002

88 incidents

2001

92 incidents

2000

97 incidents

1999

66 incidents

1998

65 incidents

1997

57 incidents

1996

61 incidents

1995

76 incidents

1984

41 incidents

1994

57 incidents

1993

56 incidents

1992

56 incidents

1991

39 incidents

1990

39 incidents

1989

53 incidents

1969

30 incidents

1988

56 incidents

1987

35 incidents

1986

39 incidents

1985

37 incidents

1983

50 incidents

1982

42 incidents

1981

49 incidents

1980

36 incidents

1979

25 incidents

1978

26 incidents

1977

26 incidents

1976

39 incidents

1975

49 incidents

1974

39 incidents

1973

27 incidents

1972

36 incidents

1971

30 incidents

1970

42 incidents

1968

47 incidents

1967

48 incidents

1966

58 incidents

1965

51 incidents

1964

66 incidents

1963

61 incidents

1962

86 incidents

1961

78 incidents

1960

93 incidents

1959

93 incidents

1958

54 incidents

1957

41 incidents

1956

51 incidents

1955

43 incidents

1954

45 incidents

1953

36 incidents

1952

29 incidents

1951

32 incidents

1950

43 incidents

1949

31 incidents

1948

29 incidents

1848

4 incidents

1947

30 incidents

1946

26 incidents

1945

16 incidents

1944

31 incidents

1943

28 incidents

1942

41 incidents

1941

27 incidents

1940

24 incidents

1939

25 incidents

1938

24 incidents

1937

30 incidents

1936

32 incidents

1935

32 incidents

1934

28 incidents

1933

22 incidents

1932

27 incidents

1931

29 incidents

1930

26 incidents

1929

38 incidents

1928

26 incidents

1927

19 incidents

1926

21 incidents

1925

14 incidents

1924

19 incidents

1923

21 incidents

1922

22 incidents

1921

12 incidents

1920

15 incidents

1919

14 incidents

1918

5 incidents

1917

12 incidents

1916

25 incidents

1915

12 incidents

1914

18 incidents

1913

18 incidents

1912

14 incidents

1911

16 incidents

1910

14 incidents

1909

18 incidents

1908

13 incidents

1907

23 incidents

1906

21 incidents

1905

18 incidents

1904

14 incidents

1903

10 incidents

1902

15 incidents

1901

9 incidents

1900

13 incidents

1899

20 incidents

1898

22 incidents

1897

11 incidents

1896

12 incidents

1895

20 incidents

1894

15 incidents

1893

13 incidents

1892

11 incidents

1891

9 incidents

1890

17 incidents

1889

9 incidents

1888

15 incidents

1887

13 incidents

1886

16 incidents

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9 incidents

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7 incidents

1883

13 incidents

1882

12 incidents

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9 incidents

1880

15 incidents

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8 incidents

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13 incidents

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14 incidents

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9 incidents

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5 incidents

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12 incidents

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4 incidents

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8 incidents

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9 incidents

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8 incidents

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2 incidents

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6 incidents

1867

5 incidents

1866

2 incidents

1865

4 incidents

1864

14 incidents

1863

11 incidents

1862

12 incidents

1861

5 incidents

1860

7 incidents

1859

1 incident

1858

6 incidents

1857

1 incident

1856

4 incidents

1855

7 incidents

1853

8 incidents

1852

10 incidents

1851

3 incidents

1850

2 incidents

1849

7 incidents

1847

9 incidents

1846

3 incidents

1845

6 incidents

1844

4 incidents

1842

4 incidents

1841

1 incident

1840

5 incidents

1839

4 incidents

1837

4 incidents

1836

2 incidents

1835

2 incidents

1834

1 incident

1832

2 incidents

1831

2 incidents

1830

4 incidents

1829

3 incidents

1828

2 incidents

1827

3 incidents

1826

5 incidents

1825

2 incidents

1823

1 incident

1822

1 incident

1819

1 incident

1818

1 incident

1817

4 incidents

1816

1 incident

1815

1 incident

1812

1 incident

1811

1 incident

1810

1 incident

1808

3 incidents

1807

1 incident

1805

1 incident

1804

1 incident

1803

2 incidents

1802

1 incident

1801

1 incident

1800

1 incident

1797

1 incident

1792

1 incident

1791

1 incident

1788

1 incident

1787

1 incident

1786

1 incident

1785

1 incident

1784

1 incident

1783

1 incident

1780

1 incident

1779

1 incident

1776

2 incidents

1771

1 incident

1767

1 incident

1764

1 incident

1758

1 incident

1753

1 incident

1751

1 incident

1749

1 incident

1755

1 incident

1748

1 incident

1742

1 incident

1738

1 incident

1733

1 incident

1723

1 incident

1721

1 incident

1703

1 incident

1700

3 incidents

1642

2 incidents

1691

1 incident

1640

1 incident

1638

1 incident

1637

1 incident

1617

1 incident

1595

1 incident

1580

1 incident

1555

1 incident

1554

1 incident

1543

1 incident

1518

1 incident

1500

1 incident

1000

1 incident