*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197003904052
1970001001
1971000011
1972000033
1973001045
1974014038
1975000055
1976020057
1977012069
1978010056
1979011079
1980011057
198100501116
19820040913
1983001078
1984001089
19850140914
19860280919
1987011501127
1988011901333
198904100822
199011380830
19911680722
1992257401073
1993082701099
1994375524016798
1995277926117825
199606721006688
1997022413013250
199804458011464
19990401001161
2000060629017652
2001017925022226
2002034921014384
200301151806139
2004039013012415
2005112424016165
2006021018020248
2007228831011332
20080953809142
2009064301867
201008054015149
201106054017131
20122257106021386
20131146112019278
20141203133029366
20153258192043496
20166238311044599
20175268287055615
20183279314060656
20193244309067623
20202282362040686
20210231352053636
20220269242042553
2023005005
2024044008
Total3882733301192812541