| 연도 | 구축수 | 구축액 | ||||||
|---|---|---|---|---|---|---|---|---|
| 활용 | 저활용 | 유휴 | 불용 | 활용 | 저활용 | 유휴 | 불용 | |
| 2005 | 531 | 12 | 4 | 398 | 94,656,961,573 | 1,064,745,005 | 178,452,835 | 47,578,519,403 |
| 2006 | 527 | 19 | 11 | 317 | 83,430,320,551 | 1,489,486,189 | 1,019,606,630 | 32,847,917,972 |
| 2007 | 579 | 19 | 13 | 236 | 446,237,963,040 | 1,708,435,311 | 2,614,100,055 | 33,099,377,658 |
| 2008 | 571 | 21 | 17 | 214 | 104,951,076,375 | 4,339,785,026 | 2,024,339,299 | 34,489,214,811 |
| 2009 | 629 | 20 | 12 | 198 | 118,899,450,039 | 2,102,633,525 | 2,720,118,593 | 39,023,274,410 |
| 2010 | 714 | 23 | 14 | 169 | 85,144,827,056 | 2,715,268,905 | 1,350,592,520 | 40,970,888,720 |
| 2011 | 847 | 31 | 18 | 143 | 95,703,885,415 | 2,562,415,690 | 962,381,492 | 14,993,505,255 |
| 2012 | 881 | 23 | 13 | 96 | 98,958,459,577 | 2,762,009,453 | 2,478,956,105 | 9,319,005,534 |
| 2013 | 855 | 33 | 6 | 40 | 100,348,145,377 | 3,145,870,803 | 303,713,070 | 4,433,860,057 |
| 2014 | 900 | 33 | 15 | 46 | 152,898,781,122 | 2,007,235,001 | 1,753,701,341 | 4,641,281,650 |
| 2015 | 807 | 15 | 17 | 21 | 131,246,774,578 | 2,389,174,916 | 10,696,226,752 | 1,351,589,560 |
| 2016 | 641 | 16 | 1 | 8 | 102,598,736,416 | 6,725,665,340 | 45,708,000 | 494,517,466 |
| 2017 | 685 | 14 | 4 | 3 | 102,000,118,017 | 2,426,790,068 | 2,230,889,920 | 359,800,000 |
| 2018 | 608 | 2 | 1 | 1 | 153,924,368,597 | 92,300,000 | 73,100,000 | 88,000,000 |
| 2019 | 573 | 0 | 0 | 1 | 84,292,870,117 | 0 | 0 | 37,730,000 |
| 2020 | 645 | 2 | 3 | 0 | 145,560,229,389 | 177,380,000 | 147,900,000 | 0 |
| 2021 | 857 | 2 | 3 | 0 | 160,402,659,103 | 2,435,621,700 | 165,914,180 | 0 |
| 2022 | 806 | 2 | 16 | 1 | 229,752,936,201 | 118,276,123 | 1,871,199,860 | 369,800,000 |
| 2023 | 834 | 2 | 6 | 1 | 178,840,564,317 | 102,168,000 | 1,473,836,000 | 1,000,000 |
| 2024 | 693 | 2 | 1 | 0 | 125,984,890,919 | 269,280,194 | 43,351,000 | 0 |
| 2025 | 588 | 3 | 4 | 0 | 119,472,869,461 | 238,323,840 | 3,687,206,400 | 0 |