year post-offices messages parcels 1909-10 6,946 1,464,557,721 20,281,822 IQII~2 7,166 1,634.423,611 23,178,936 1913-4 7,268 1,798,716, 674 25,370,165 1915-6 . 7,358 1,588,002,293 26,128,093 1917-8 7:647 2,362,802,401 33,243,648 1919-20 7,900 31359,758,218 41,308,098 1920-1 3,025 3,815,527,979 43,322,650 Ig21-2 8,230 4,001,517,560 48,936,915 1922-3 8,477 4,126,958,030 51,355,991 The post-office savings bank deposits (Dee. 31) (in mill. marks) (Stock Exchanges) . 2,351 Savings bank returns show that it was able to meet the essential factor here is that in