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 81 48.5%
2 United States 23 13.8%
3 Germany 22 13.2%
4 Russia 15 9%
5 Singapore 6 3.6%
6 Canada 6 3.6%
7 Netherlands 5 3%
8 France 2 1.2%
9 India 2 1.2%
10 Malaysia 1 0.6%
11 Hong Kong 1 0.6%
12 Czech Republic 1 0.6%
13 South Africa 1 0.6%
14 Taiwan 1 0.6%