Number of measurements available in each month during the year of 1997-2002

Location Month 1997 1998 1999 2000 2001 2002
BALD1 1 0 0 0 0 2 9
BALD1 2 0 0 0 0 3 10
BALD1 3 0 0 0 0 10 10
BALD1 4 0 0 0 0 10 10
BALD1 5 0 0 0 0 8 10
BALD1 6 0 0 0 3 8 10
BALD1 7 0 0 0 9 10 4
BALD1 8 0 0 0 3 8 1
BALD1 9 0 0 0 8 8 10
BALD1 10 0 0 0 9 11 10
BALD1 11 0 0 0 9 10 10
BALD1 12 0 0 0 4 7 11