*** [NORMAL] ***

S1 - 1, 2000
S2 - 2, 2000
S3 - 3, 2000
S4 - 4, 2000

*** [S1/S2 RATE] ***

S1 - 1, 2000
S2 - 2, 2000
S1 - 1, 2001
S2 - 2, 2001
S3 - 3, 2001
S4 - 4, 2001


*** [S3/S4 RATE] ***

S1 - 1, 2000
S2 - 2, 2000
S3 - 3, 2000
S4 - 4, 2000
S3 - 3, 2001
S4 - 4, 2001