{"year":1967,"catch":15.9,"index":61.89}
{"year":1968,"catch":25.7,"index":78.98}
{"year":1969,"catch":28.5,"index":55.59}
{"year":1970,"catch":23.7,"index":44.61}
{"year":1971,"catch":25,"index":56.89}
{"year":1972,"catch":33.3,"index":38.27}
{"year":1973,"catch":28.2,"index":33.84}
{"year":1974,"catch":19.7,"index":36.13}
{"year":1975,"catch":17.5,"index":41.95}
{"year":1976,"catch":19.3,"index":36.63}
{"year":1977,"catch":21.6,"index":36.33}
{"year":1978,"catch":23.1,"index":38.82}
{"year":1979,"catch":22.5,"index":34.32}
{"year":1980,"catch":22.5,"index":37.64}
{"year":1981,"catch":23.6,"index":34.01}
{"year":1982,"catch":29.1,"index":32.16}
{"year":1983,"catch":14.4,"index":26.88}
{"year":1984,"catch":13.2,"index":36.61}
{"year":1985,"catch":28.4,"index":30.07}
{"year":1986,"catch":34.6,"index":30.75}
{"year":1987,"catch":37.5,"index":23.36}
{"year":1988,"catch":25.9,"index":22.36}
{"year":1989,"catch":25.3,"index":21.91}