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 121 42.6%
2 China 90 31.7%
3 Canada 17 6%
4 Russia 14 4.9%
5 Korea, Republic of 10 3.5%
6 Germany 9 3.2%
7 India 6 2.1%
8 Netherlands 4 1.4%
9 Hong Kong 3 1.1%
10 France 2 0.7%
11 Norway 2 0.7%
12 Romania 2 0.7%
13 United Kingdom 2 0.7%
14 Singapore 1 0.4%
15 Ukraine 1 0.4%