|   年份  |       第一产业用电量占比  |       第二产业用电量占比  |       第三产业用电量占比  |       居民生活用电量占比  |    
|   1990  |       6.18%  |       67.39%  |       20.12%  |       6.31%  |    
|   1991  |       5.78%  |       65.75%  |       21.61%  |       6.86%  |    
|   1992  |       5.80%  |       65.67%  |       21.36%  |       7.17%  |    
|   1993  |       5.56%  |       64.58%  |       22.33%  |       7.53%  |    
|   1994  |       4.92%  |       63.66%  |       23.35%  |       8.07%  |    
|   1995  |       4.59%  |       63.07%  |       24.21%  |       8.13%  |    
|   1996  |       4.58%  |       61.26%  |       25.26%  |       8.90%  |    
|   1997  |       4.57%  |       58.01%  |       27.38%  |       10.04%  |    
|   1998  |       3.92%  |       56.06%  |       29.37%  |       10.65%  |    
|   1999  |       4.08%  |       53.22%  |       30.71%  |       12.00%  |