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

Location Month 1997 1998 1999 2000 2001 2002
SAPE1 1 0 0 0 0 9 9
SAPE1 2 0 0 0 0 9 9
SAPE1 3 0 0 0 0 10 2
SAPE1 4 0 0 0 0 10 10
SAPE1 5 0 0 0 0 11 8
SAPE1 6 0 0 0 0 10 9
SAPE1 7 0 0 0 0 10 8
SAPE1 8 0 0 0 5 4 6
SAPE1 9 0 0 0 9 4 9
SAPE1 10 0 0 0 10 4 3
SAPE1 11 0 0 0 9 9 10
SAPE1 12 0 0 0 8 10 9