BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 369 40.2%
2 United States 228 24.8%
3 Netherlands 108 11.8%
4 France 74 8.1%
5 Germany 49 5.3%
6 Czech Republic 19 2.1%
7 Canada 17 1.9%
8 Russia 12 1.3%
9 Korea, Republic of 9 1%
10 Malaysia 7 0.8%
11 Ireland 7 0.8%
12 United Kingdom 5 0.5%
13 India 5 0.5%
14 Hong Kong 4 0.4%
15 Brazil 3 0.3%
16 Israel 2 0.2%