Rank	Countries/Territories	Count	Percent
1	United States	149	37.2%
2	China	109	27.2%
3	Germany	71	17.8%
4	Japan	12	3%
5	Italy	9	2.2%
6	Singapore	8	2%
7	Korea, Republic of	7	1.8%
8	Netherlands	4	1%
9	India	4	1%
10	Australia	4	1%
11	Austria	4	1%
12	Canada	4	1%
13	Cyprus	3	0.8%
14	Indonesia	2	0.5%
15	Iraq	2	0.5%
16	Philippines	2	0.5%
17	Malaysia	2	0.5%
18	Switzerland	2	0.5%
19	Russia	1	0.2%
20	France	1	0.2%