Adding tables is generally time-consuming and yet sometimes there is a need of frequent of replacing a single file such report or statement. Yes, you can then turn to solutions to embed files in the cloud, but sometimes circumstances require that the file can only be on your server. What then?
The file you can download from: http://www.joomlaos.de/
If you want to have more useful tool you can always buy ARI Data Tables module (for J1.7 also) which converts HTML tables into tables with possibilities to sort, filter and paging data. It can also create different charts based on data from tables. The extension can load data from SQL databases and CSV files.