Rank	Countries/Territories	Count	Percent
1	United States	352	47.5%
2	China	178	24%
3	Germany	92	12.4%
4	United Kingdom	22	3%
5	France	18	2.4%
6	Switzerland	15	2%
7	Korea, Republic of	8	1.1%
8	Netherlands	8	1.1%
9	Singapore	6	0.8%
10	Macao	6	0.8%
11	Japan	6	0.8%
12	Australia	6	0.8%
13	Canada	3	0.4%
14	Cyprus	3	0.4%
15	Mongolia	3	0.4%
16	South Africa	3	0.4%
17	Sweden	2	0.3%
18	Ecuador	2	0.3%
19	India	2	0.3%
20		2	0.3%
21	Argentina	2	0.3%
22	Indonesia	1	0.1%
23	Russia	1	0.1%