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 37 32.7%
2 United States 36 31.9%
3 Germany 9 8%
4 Russia 7 6.2%
5 Netherlands 5 4.4%
6 Japan 5 4.4%
7 Ukraine 4 3.5%
8 Canada 3 2.7%
9 Switzerland 2 1.8%
10 Iran, Islamic Republic of 2 1.8%
11 Mauritius 1 0.9%
12 Moldova, Republic of 1 0.9%
13 Taiwan 1 0.9%