*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970461507499
1970003036
19710210710
1972002046
19730160411
19741260615
19750870520
197602501017
197702130621
19780250411
1979051301230
198013140927
1981011001122
198203120924
198303140724
19840380718
19850350311
1986281501035
1987152421648
1988091801744
19890132401350
1990146320786
1991429340269
199229340651
199384442013107
1994390109016218
199511825907159
199612736508158
19971098227010345
19987107181012307
199945318709253
2000556233015309
2001740267015329
200234632506380
2003114842509493
2004613042609571
20056122403013544
20061661428015520
2007277372019470
200810142298110461
2009619433405539
2010621336908596
20114164477022667
20129418456040923
201310506458020994
201414558344022938
2015207495070401316
2016208396561431559
20173010358510211937
20182610228000261874
20193811438350372053
202015106011870342296
20212212339820272264
20221211588250232018
202304370041
202402160018
Total3691173213501480626412