Time Range	Aquaculture escapee	Aquaculture contaminant	Aquaculture all
< 1950	30	50	70
1951 – 1960	6	10	17
1961 – 1970	18	16	28
1971 – 1980	5	33	38
1981 – 1990	8	17	25
1991 – 2000	3	40	44
2001 – 2010	4	22	27
2011 – 2014	2	2	4