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 China 304 37.2%
2 United States 292 35.7%
3 Netherlands 181 22.2%
4 Germany 17 2.1%
5 Canada 7 0.9%
6 Czech Republic 3 0.4%
7 Russia 3 0.4%
8 South Africa 2 0.2%
9 Denmark 2 0.2%
10 Mauritius 2 0.2%
11 Hong Kong 2 0.2%
12 India 1 0.1%
13 France 1 0.1%