Year,Value,Canada (Country),Wind,Mar,(kph)
1940,12.372
1941,12.862
1942,13.022
1943,14.139
1944,14.114
1945,12.971
1946,13.926
1947,12.98
1948,13.472
1949,13.411
1950,13.895
1951,13.426
1952,12.934
1953,13.825
1954,13.565
1955,13.991
1956,13.597
1957,12.679
1958,11.424
1959,13.099
1960,12.347
1961,12.458
1962,12.571
1963,12.896
1964,13.342
1965,13.111
1966,13.787
1967,14.153
1968,13.443
1969,13.388
1970,13.224
1971,12.53
1972,12.961
1973,13.283
1974,13.838
1975,13.446
1976,13.365
1977,13.468
1978,12.605
1979,13.605
1980,13.061
1981,12.138
1982,13.732
1983,12.508
1984,12.734
1985,14.033
1986,14.181
1987,12.383
1988,13.105
1989,13.724
1990,15.16
1991,13.267
1992,13.323
1993,13.822
1994,13.615
1995,13.279
1996,14.371
1997,13.212
1998,12.754
1999,13.57
2000,13.405
2001,13.077
2002,13.773
2003,13.174
2004,14.092
2005,13.41
2006,12.989
2007,14.218
2008,13.206
2009,13.617
2010,13.338
2011,13.06
2012,13.81
2013,13.267
2014,13.257
2015,14.032
2016,12.595
2017,14.493
2018,13.029
2019,14.326
2020,14.446
2021,14.742
2022,13.798
2023,12.206
2024,13.546
2025,12.66