MS Reference 1 Version 1.01 288 characters in total, assigned to the following Unicode blocks:
Unicode blocks Percent Total codes Total charaters
Basic Latin
58.59%

58.59%

128 75
Latin-1 Supplement
53.91%

53.91%

128 69
Private Use Area
2.25%

2.25%

6400 144
Total:
4.33%

4.33%

6656 288