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 658 56%
2 United States 155 13.2%
3 Netherlands 147 12.5%
4 France 73 6.2%
5 Germany 63 5.4%
6 Canada 26 2.2%
7 Czech Republic 16 1.4%
8 Korea, Republic of 9 0.8%
9 Ireland 8 0.7%
10 Hong Kong 8 0.7%
11 India 5 0.4%
12 Finland 3 0.3%
13 Russia 3 0.3%
14 Norway 1 0.1%