| 연도 | 구축수 | 구축액 | ||
|---|---|---|---|---|
| 공동활용허용가능 | 공동활용서비스가능 | 공동활용허용가능 | 공동활용서비스가능 | |
| 2005 | 497 | 173 | 41,966,350,915 | 76,626,544,172 |
| 2006 | 463 | 128 | 45,475,518,989 | 35,714,834,576 |
| 2007 | 494 | 124 | 430,920,490,142 | 24,276,685,309 |
| 2008 | 475 | 187 | 62,104,140,434 | 40,538,934,492 |
| 2009 | 432 | 139 | 60,075,951,848 | 61,870,860,096 |
| 2010 | 505 | 122 | 55,900,422,092 | 53,398,164,979 |
| 2011 | 556 | 202 | 57,658,943,045 | 37,614,857,438 |
| 2012 | 546 | 136 | 60,791,053,771 | 27,709,332,480 |
| 2013 | 512 | 123 | 62,036,196,296 | 27,035,167,522 |
| 2014 | 478 | 156 | 44,943,704,593 | 24,316,651,314 |
| 2015 | 386 | 120 | 38,862,889,047 | 23,764,285,343 |
| 2016 | 306 | 141 | 40,226,431,626 | 29,305,375,887 |
| 2017 | 293 | 135 | 29,144,763,955 | 31,804,099,661 |
| 2018 | 248 | 109 | 36,060,602,997 | 70,649,590,845 |
| 2019 | 249 | 93 | 21,059,035,970 | 28,448,227,873 |
| 2020 | 266 | 95 | 43,741,498,333 | 50,902,304,673 |
| 2021 | 323 | 132 | 49,061,774,392 | 64,401,159,697 |
| 2022 | 349 | 162 | 86,241,678,507 | 53,149,245,861 |
| 2023 | 380 | 158 | 91,453,477,562 | 55,809,130,829 |
| 2024 | 315 | 114 | 53,515,333,379 | 43,014,650,533 |
| 2025 | 301 | 152 | 59,566,759,162 | 50,784,108,135 |