Here is a frequency list of classifiers (with a minimum frequency of 5) in ca. 1.3 million words of written (1 M) and spoken (0.3 M) Chinese. A total of 421 types and 34753 tokens of classifiers are found in this dataset. For more details see my paper in Proceedings of Corpus Lingusitics 2007 http://www.corpus.bham.ac.uk/corplingproceedings07/paper/19_Paper.pdf