(4) 年度別推移
| 年度 | 総数 | 店舗 | 共同購入 | その他 | |
| 5 | 総数 | 千円 | 千円 | 千円 | 千円 |
| 3,065,069,219 | 1,444,781,658 | 1,393,665,966 | 226,621,595 | ||
| 地域 | 2,637,982,046 | 1,150,876,269 | 1,357,158,545 | 129,947,232 | |
| 職域 | 427,087,173 | 293,905,389 | 36,507,421 | 96,674,363 | |
| 6 | 総数 | 2,989,690,376 | 1,428,567,534 | 11,367,440,861 | 193,681,981 |
| 地域 | 2,571,489,905 | 1,133,460,532 | 1,331,374,258 | 106,655,115 | |
| 職域 | 418,200,471 | 295,107,002 | 36,066,603 | 87,026,866 | |
| 7 | 総数 | 3,054,154,167 | 1,459,985,143 | 1,368,005,687 | 226,163,332 |
| 地域 | 2,593,452,085 | 1,142,866,140 | 1,314,985,564 | 135,600,377 | |
| 職域 | 460,702,082 | 317,119,003 | 53,020,123 | 90,562,955 | |
| 8 | 総数 | 3,076,403,169 | 1,506,421,965 | 1,378,357,693 | 191,623,511 |
| 地域 | 2,650,352,346 | 1,206,516,657 | 1,342,158,826 | 101,676,862 | |
| 職域 | 426,050,823 | 299,905,308 | 36,198,867 | 89,946,649 | |
| 9 | 総数 | 3,075,839,144 | 1,503,509,617 | 1,382,600,692 | 189,086,754 |
| 地域 | 2,655,587,694 | 1,208,692,740 | 1,347,281,250 | 98,985,063 | |
| 職域 | 420,251,450 | 294,816,877 | 35,319,442 | 90,101,691 | |
| 10 | 総数 | 3,073,210,213 | 1,493,602,166 | 1,387,028,733 | 192,579,314 |
| 地域 | 2,677,734,977 | 1,222,826,761 | 1,350,048,476 | 104,859,740 | |
| 職域 | 395,475,236 | 270,775,405 | 36,980,257 | 87,719,574 |
（注） 連合会を除く。