time 0 1955 237.0 1956 127.0 1957 114.0 1958 143.0 1959 185.0 1960 107.0 1961 176.0 1962 197.0 1963 215.0 1964 164.0 1965 123.0 1966 127.0 1967 288.0 1968 123.0 1969 180.0 1970 125.0 1971 239.0 1972 128.0 1973 191.0 1974 194.0 1975 136.0 1976 432.0 1977 161.0 1978 364.0 1979 108.0 1980 130.0 1981 166.0 1982 128.0 1983 126.0 1984 199.0 1985 179.0 1986 181.0 1987 115.0 1988 409.0 1989 104.0 1990 368.0 1991 154.0 1992 128.0 1993 142.0 1994 207.0 1995 175.0 1996 176.0 1997 198.0 1998 159.0 1999 120.0 2000 243.0 2001 141.0 2002 179.0 2003 118.0 2004 290.0 2005 191.0 2006 144.0 2007 180.0 2008 159.0 2009 365.0 2010 188.0 2011 151.0 2012 151.0 2013 198.0 2014 188.0 2015 122.0 2016 128.0 2017 174.0 2018 141.0 2019 292.0 2020 156.0 2021 212.0 2022 313.0