Backslash Version 2.0 January 28, 2005. 93 characters in total, assigned to the following Unicode blocks:
Unicode blocks Percent Total codes Total charaters
Basic Latin
67.97%

67.97%

128 87
Latin-1 Supplement
3.91%

3.91%

128 5
Greek and Coptic
0.69%

0.69%

144 1
Total:
23.25%

23.25%

400 93