Rank	Countries/Territories	Count	Percent
1	United States	210	47.8%
2	China	106	24.1%
3	Germany	33	7.5%
4	Japan	22	5%
5	South Africa	10	2.3%
6	Australia	10	2.3%
7	Korea, Republic of	8	1.8%
8	Netherlands	6	1.4%
9	United Kingdom	4	0.9%
10	Turkey	3	0.7%
11	Canada	3	0.7%
12	Mexico	3	0.7%
13	Portugal	2	0.5%
14	Russia	2	0.5%
15	Austria	2	0.5%
16	Brazil	2	0.5%
17	Egypt	2	0.5%
18	France	2	0.5%
19	Greece	2	0.5%
20	Taiwan	2	0.5%
21	Ukraine	1	0.2%
22	Hong Kong	1	0.2%
23	Iran, Islamic Republic of	1	0.2%
24	Switzerland	1	0.2%
25	Macao	1	0.2%