Years	Wet season			Dry season
Years	Formate [%]	Acetate [%]		Formate [%]	Acetate [%]
1995	16.43	40.00		28.75	80.00
1996	17.69	40.00		28.75	80.00
1997	16.43	26.67		28.75	76.67
1998	23.00	40.00		25.56	76.67
1999	28.75	32.00		38.33	80.00
2000	20.90	32.00		17.69	32.00
2001	13.52	22.86		28.75	76.67
2002	15.33	22.86		19.17	32.00
2003	38.33	26.67		28.75	76.67
2004	32.86	26.67		17.69	22.86
1995-2004	18.56	30.32		25.30	48.56