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 440 44.5%
2 United States 203 20.5%
3 Netherlands 132 13.4%
4 France 83 8.4%
5 Germany 54 5.5%
6 Canada 19 1.9%
7 Czech Republic 16 1.6%
8 India 9 0.9%
9 Korea, Republic of 9 0.9%
10 Ireland 6 0.6%
11 Hong Kong 6 0.6%
12 Russia 5 0.5%
13 Taiwan 3 0.3%
14 Ukraine 1 0.1%
15 South Africa 1 0.1%
16 Australia 1 0.1%