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 253 36.7%
2 United States 199 28.9%
3 Netherlands 158 22.9%
4 Germany 22 3.2%
5 Canada 15 2.2%
6 Korea, Republic of 11 1.6%
7 Russia 9 1.3%
8 Taiwan 6 0.9%
9 France 4 0.6%
10 Macao 3 0.4%
11 Malaysia 2 0.3%
12 Poland 2 0.3%
13 Ukraine 2 0.3%
14 United Kingdom 2 0.3%
15 Japan 1 0.1%