514 COMMERCE YEARBOOK requirements. This causes an overstatement of deficiency in equip- ment. Both surpluses and shortages are reported as aggregates, for the same days, owing to the fact that there may be a shortage in one region and a surplus in another, generally due to differences in certain seasonal factors. Chart IIIL—CAR LOADINGS, SURPLUSES, AND SHORTAGES OF CARS, BY QUARTERS (CLASS I ROADS) THOUSANDS OF CARS 1000 Fa Car Loodings ~ Nee ROO S00 400 nfs Yerage 200 = Shortage -Daily Average 200 1921 [922 1923 Lisboa Lt 1924 1925 od Table 8.—Revenue Car Loadings and Surpluses and Shortages of Cars of Class I Railways, by Quarters Period \verage weekly loadings: January-March_.._____________. April-June. _______ TTT July-September. ___~___~_7 7777" October-December... "7 erage daily surpluses: January-March. .___.____.__.__ April-June... ._.._ "77 July-September... ___" October-December... ._____~ srage daily shortages: Tanuary-Mareh. o.oo... ___. ADHI-JUne. ooo eeeeeammn on July-September..._..._........ Detober-December. ovo eeoeo 1018 | 1990 | 702, 894 761, 511 316, 634 237 18% 317, 186 334, 485 147, 449 371 521 11, 721 39, 520 50, 888 33. 308 8, 027 4250 2067 3 ORR 1,570 2, 969 12,188 32 264 81, 280 96, 057 13, 212 35. 820 1021 603, 533 743, 845 303, 787 723’ A023 370,195 436, 206 278, 712 120, 039 781 301 1,835 nD LOR 1099 761, 626 778,895 868, 218 O15 4920 301, 000 309, 668 118,271 6. 468 504 1,519 51,000 (38. E04 1993 $70, 518 976, 059 .022, 903 G82. 221 20, 568 29, 923 69, 664 190. 104 73,975 27,019 9,735 8 128 1004 1925 391, 385 302, 088 962, 830 tT 005, 018 204, 030 , 042, 253 1. 025. 484 196, 469 332. 097 255,729 161. 501 265,078 327, 368 216, 150 148. 762 3,008 | 260 197 58 237 444 69] 1193 Source; American Railway Association