| Miles pesetas | 
  
    |  | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 
  
    | 1 Personal ocupado (media anual) | 21.483 | 22.495 | 23.183 | 23.086 | 22.221 | 20.315 | 18.035 | 17.021 | 16.065 | 16.318 | 17.193 | 
  
    | 2 Horas trabajadas (unidades) | 38.453.519 | 39.763.440 | 41.062.749 | 40.759.190 | 39.635.347 | 35.326.246 | 31.207.690 | 29.440.962 | 27.841.506 | 28.738.379 | 30.065.069 | 
  
    | 3 Producción a salida de fábrica (sin IVA) | 147.086.204 | 185.357.862 | 218.926.713 | 241.303.544 | 244.404.036 | 228.120.791 | 216.045.774 | 200.755.373 | 211.632.480 | 244.342.643 | 277.409.062 | 
  
    | 4 Consumos intermedios (sin IVA) | 82.323.687 | 101.998.658 | 123.519.804 | 136.399.612 | 137.472.563 | 133.114.919 | 126.690.665 | 114.521.580 | 119.297.103 | 142.560.177 | 167.623.271 | 
  
    | 4.1 Consumo de materiales | 68.383.867 | 82.248.656 | 101.501.445 | 110.517.475 | 108.534.002 | 105.112.793 | 97.959.396 | 88.835.651 | 93.996.421 | 114.490.666 | 136.321.183 | 
  
    | 4.2 Servicios exteriores | 13.939.820 | 19.750.002 | 22.018.359 | 25.882.137 | 28.938.561 | 28.002.126 | 28.731.269 | 25.685.929 | 25.300.682 | 28.069.511 | 31.302.088 | 
  
    | 5 Valor añadido a coste de los factores | 64.328.058 | 82.425.228 | 94.450.097 | 104.264.056 | 106.296.782 | 95.033.061 | 89.119.049 | 86.045.365 | 91.937.154 | 101.374.589 | 109.507.038 | 
  
    | 5.1 Costes de personal | 49.359.698 | 54.335.443 | 60.721.672 | 65.809.599 | 68.476.073 | 69.023.881 | 68.461.327 | 69.327.971 | 68.472.110 | 71.630.865 | 79.582.280 | 
  
    | 5.2 Excedente bruto de explotación | 14.968.360 | 28.089.784 | 33.728.425 | 38.454.457 | 37.820.708 | 26.009.179 | 20.657.722 | 16.717.394 | 23.465.044 | 29.743.724 | 29.924.758 | 
  
    | 6 Gastos financieros | 7.997.959 | 8.268.501 | 8.937.828 | 10.972.001 | 10.975.349 | 11.824.926 | 9.083.956 | 12.541.377 | 7.942.935 | 8.771.555 | 8.410.212 |