The following data have been extracted from the 1889 Annual Report of the Postmaster-General on the Post and Telegraph Department of Queensland for the year 1888.
| Year | ET Revenue | ET Expenditure | No. of E.T stations | No. of messages transmitted | No. of messages received |
| 1860 | |||||
| 1861 | £988/14/9 | £1,652/5/6 | 7 | 5,678 | |
| 1862 | £3,724/10/- | £3,560/13/4 | 7 | 16,833 | |
| 1863 | £4,152/1/10 | £5,662/13/- | 8 | 19,219 | |
| 1864 | £5,713/3/10 | £6,604/12/1 | 11 | 27,246 | |
| 1865 | £10,343/95 | £12,226/14/11 | 25 | 47,697 | |
| 1866 | £11,120/4/3 | £14,001/1/1 | 33 | 55,610 | 8,762 |
| 1867 | £10,985/2/6 | £15,382/6/11 | 33 | 56,143 | 7,269 |
| 1868 | £11,256/7/1 | £15,601/9/5 | 35 | 59,632 | 7,479 |
| 1869 | £11,634/19/10 | £16,100/12/8 | 41 | 70,112 | 7,664 |
| 1870 | £11/774/16/8 | £17,121/9/9 | 43 | 81,483 | 7,885 |
| 1871 | £11,691/12/10 | £19,073/17/11 | 51 | 82,630 | 9,637 |
| 1872 | £18,794/7/3 | £24,081/3/9 | 59 | 121,963 | 15,777 |
| 1873 | £20,759/1/3 | £27,776/8/5 | 73 | 156,472 | 19,636 |
| 1874 | £21,396/6/- | £37,101/18/5 | 80 | 311,246 | 33,867 |
| 1875 | £29,138/6/8 | £44,680/10/8 | 112 | 409,000 | 39,915 |
| 1876 | £29,684/17/11 | £49,581/15/8 | 118 | 479,073 | 42,666 |
| 1877 | £36,725/6/3 | £54,198/8/5 | 136 | 512,093 | 49,553 |
| 1878 | £36,725/6/3 | £61,589/1/2 | 148 | 538,243 | 52,799 |
| 1879 | £33,649/16/5 | £65,297/1/11 | 161 | 514,292 | 48,963 |
| 1880 | £35,878/9/3 | £63,669/7/3 | 159 | 523,073 | 51,372 |
| 1881 | £43,940/13/10 | £62,172/3/10 | 170 | 597,333 | 64,131 |
| 1882 | £60,163/7/5 | £69,138/1/2 | 187 | 782,685 | 82,451 |
| 1883 | £70,583/14/3 | £76,359/2/2 | 201 | 917,605 | 100,745 |
| 1884 | £77,118/2/6 | £85,661/13/11 | 221 | 1,006,184 | 110,298 |
| 1885 | £82,037/5/4 | £92,856/7/6 | 259 | 1,082,183 | 119,897 |
| 1886 | £82,958/9/1 | £101,052/12/7 | 282 | 1,079,896 | 121,599 |
| 1887 | £83,61/14/1 | £109,671/8/9 | 293 | 1,152,761 | 135,422 |
| 1888 | £103,790/3/10 | £113,066/13/- | 311 | 1,284,438 | 152,493 |