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 113 53.8%
2 United States 33 15.7%
3 Netherlands 19 9%
4 Germany 12 5.7%
5 Russia 10 4.8%
6 France 8 3.8%
7 Ukraine 3 1.4%
8 India 3 1.4%
9 New Zealand 2 1%
10 Brazil 2 1%
11 Bulgaria 1 0.5%
12 Canada 1 0.5%
13 Czech Republic 1 0.5%
14 Singapore 1 0.5%
15 Taiwan 1 0.5%