year speed prediction
1971 0.092 0.092
1972 1
1973 0.184
1974 0.5
1975 0.5 0.368
1976
1977 0.5 0.736
1978
1979 1 1.472
1980
1981 2.944
1982 2.66
1983 5.888
1984 4
1985 11.4 11.776
1986 4
1987 11 23.552
1988
1989 47.104
1990 44
1991 94.208
1992 300
1993 188.416
1994 88
1995 376.832
1996 541
1997 525 753.664
1998
1999 1354 1507.328
2000 3561
2001 3014.656
2002 5935
2003 9726 6029.312
2004
2005 19200 12058.624
2006 49161
2007 8800 24117.248
2008 76383
2009 42820 48234.496
2010 147600
2011 96468.992
2012 295200
2013 192937.98
2014 590400
2015 385875.97
2016 1180800
2017 771751.94
2018 2361600
2019 1543503.9
2020 4723200
2021 3087007.7
2022 9446400
2023 6174015.5
2024 18892800
2025 12348031
2026 37785600
2027 24696062
2028 75571200
2029 49392124
2030 1.51E+08
2031 98784248
2032 3.02E+08
2033 197568496
2034 6.05E+08