Rank	Countries/Territories	Count	Percent
1	United States	102	31.6%
2	China	47	14.6%
3	Germany	36	11.1%
4	Japan	21	6.5%
5	Canada	18	5.6%
6	Singapore	14	4.3%
7	France	8	2.5%
8	India	8	2.5%
9	Egypt	7	2.2%
10	Cyprus	6	1.9%
11	Algeria	6	1.9%
12	United Kingdom	6	1.9%
13	Greece	4	1.2%
14	Hong Kong	3	0.9%
15	Spain	3	0.9%
16	Sweden	3	0.9%
17	Switzerland	3	0.9%
18	Thailand	3	0.9%
19	Denmark	3	0.9%
20	Austria	2	0.6%
21	Iran, Islamic Republic of	2	0.6%
22	Iraq	2	0.6%
23	Italy	2	0.6%
24	Malaysia	2	0.6%
25	Netherlands	2	0.6%
26	Pakistan	2	0.6%
27	Portugal	2	0.6%
28	Russia	2	0.6%
29	Serbia	1	0.3%
30	Norway	1	0.3%
31	Brazil	1	0.3%
32	Australia	1	0.3%