Rank	Countries/Territories	Count	Percent
1	United States	242	32.8%
2	China	204	27.7%
3	Germany	60	8.1%
4	Japan	34	4.6%
5	Canada	34	4.6%
6	Saudi Arabia	32	4.3%
7	France	18	2.4%
8	Singapore	16	2.2%
9	Norway	12	1.6%
10	Romania	11	1.5%
11	Sweden	11	1.5%
12	Australia	8	1.1%
13	Korea, Republic of	7	0.9%
14	Morocco	7	0.9%
15	Netherlands	5	0.7%
16	Hong Kong	4	0.5%
17	Denmark	4	0.5%
18	Iran, Islamic Republic of	4	0.5%
19	United Kingdom	4	0.5%
20	Russia	2	0.3%
21	Turkey	2	0.3%
22	Ukraine	2	0.3%
23	Cyprus	2	0.3%
24	Belgium	2	0.3%
25	India	2	0.3%
26	Nigeria	2	0.3%
27	Monaco	2	0.3%
28	Mongolia	2	0.3%
29	Austria	1	0.1%
30	Switzerland	1	0.1%