1983    -999    -999    -999    -999    -999    -999  2484.8  2494.6  2550.4  2626.2  2547.9  2666.8
1984  2779.0  2664.7  2598.1  2529.2  2626.1  2493.1  2481.1  2594.5  2523.9  2510.6  2562.1  2732.5
1985  2743.9  2654.6  2618.0  2601.7    -999    -999    -999    -999    -999    -999    -999    -999
1986    -999    -999    -999  2546.4  2582.6  2574.5  2541.7  2579.3  2493.9  2527.7  2560.7  2643.1
1987  2750.2  2692.5  2608.0  2596.9  2516.4  2602.2  2586.8  2445.0  2586.3  2552.3  2565.7  2666.9
1988  2695.1  2630.4  2586.0  2567.3  2565.7  2615.1  2504.3  2469.7  2561.9  2628.0  2583.3  2651.1
1989  2660.1  2620.9  2559.4  2642.3  2462.8  2474.2  2551.8  2557.1  2596.7  2520.4  2537.1  2694.6
1990  2700.5  2606.1  2584.7  2603.1  2644.7  2582.4  2690.7  2520.3  2483.7  2546.5  2630.2  2663.4
1991  2634.7  2658.4  2600.1    -999    -999    -999    -999    -999    -999    -999    -999    -999