BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 243 35.9%
2 China 217 32.1%
3 Netherlands 156 23%
4 Germany 16 2.4%
5 Czech Republic 15 2.2%
6 Canada 10 1.5%
7 Korea, Republic of 9 1.3%
8 India 5 0.7%
9 Japan 1 0.1%
10 France 1 0.1%
11 Romania 1 0.1%
12 Ukraine 1 0.1%
13 United Kingdom 1 0.1%
14 Kyrgyzstan 1 0.1%