| 2015 | 2018 | 2019 | 2020 | 2021 | 2022
Number of post offices, unit | 19 | 20 | 20 | 20 | 20 | 17
Number of sent items, thsd items | 33.0 | 36.1 | 55.4 | 110.6 | 59.6 | 70.4
Number of post offices, unit | 30 | 30 | 30 | 30 | 24 | 22
Number of sent items, thsd items | 34.5 | 41.0 | 41.0 | 58.1 | 54.4 | 48.0
Volume of post services (at actual prices), thsd manats | 87.1 | 93.5 | 90.6 | 100.3 | 86.8 | 112.2
Number of ATS, unit | 31 | 31 | 31 | 31 | 30 | 31
General capacity of ATS, number | 6532 | 6928 | 6928 | 6944 | 6944 | 7112
Number of fixed telephone lines, number | 5875 | 5817 | 5764 | 5867 | 5873 | 5769
Number of apartments fixed telephone lines, number | 5357 | 5475 | 5401 | 5421 | 5563 | 5244
Per 100 households |
Number of fixed network telephones per 100 households, units | 46 | 46 | 45 | 44 | 45 | 43
urban area | 75 | 98 | 93 | 94 | 93 | 68
rural area | 42 | 39 | 37 | 37 | 37 | 39
Number of long-distance and international calls*, thsd calls | 222 | 201 | 171 | 144 | 120 | 105
Income from information and communication services (at actual prices), thousand manats | 357 | 426.7 | 479.4 | 534.4 | 592.9 | 630.0
Volume of telecommunication services (at actual prices), thsd manats | 357 | 426.7 | 479.4 | 534.4 | 592.9 | 630.0
Number of mobile telephone subscribers, thsd subscribers | 41.2 | 41.5 | 42.3 | 38.7 | 39.0 | 34.6