Time Range	Invertebrate	Vertebrate	Primary producers
<= 1950	170	36	67
1951 – 1960	228	48	78
1961 – 1970	327	66	100
1971 – 1980	454	80	143
1981 – 1990	559	94	193
1991 – 2000	710	110	269
2000 – 2010	876	156	344
2011 – 2014	897	168	347