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

Location Month 1997 1998 1999 2000 2001 2002
BOAP1 1 0 0 0 0 11 10
BOAP1 2 0 0 0 0 8 10
BOAP1 3 0 0 0 0 7 10
BOAP1 4 0 0 0 4 0 10
BOAP1 5 0 0 0 9 10 9
BOAP1 6 0 0 0 8 9 10
BOAP1 7 0 0 0 8 9 11
BOAP1 8 0 0 0 3 7 10
BOAP1 9 0 0 0 7 9 10
BOAP1 10 0 0 0 10 10 10
BOAP1 11 0 0 0 10 7 7
BOAP1 12 0 0 0 10 8 4