# Table 2 in Zeh and Punt # n: Number of years wit data 12 # Year, N4, SE(N4), indicator N4, P4, SE(P4), indicator # Comment: Missing data set to 10000 to enable computation on cv also for that year 1978 3338 295 1 10000 10000 0 1979 10000 10000 0 .85 .09 1 1980 2722 491 1 10000 10000 0 1981 3261 689 1 .75 .166 1 1982 4756 814 1 .567 .191 1 1983 4605 848 1 10000 10000 0 1985 3136 583 1 .479 .093 1 1986 4160 600 1 .405 .065 1 1987 3712 544 1 10000 10000 0 1988 5102 456 1 .74 .062 1 1993 7613 531 1 .933 .014 1 2001 9025 1068 1 .862 .044 1