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 247 60.1%
2 United States 67 16.3%
3 Canada 28 6.8%
4 Germany 25 6.1%
5 Taiwan 10 2.4%
6 Hong Kong 8 1.9%
7 Malaysia 5 1.2%
8 Belarus 4 1%
9 Netherlands 3 0.7%
10 Singapore 2 0.5%
11 Mali 2 0.5%
12 Australia 2 0.5%
13 France 2 0.5%
14 Ireland 2 0.5%
15 Japan 2 0.5%
16 Kazakhstan 1 0.2%
17 Viet Nam 1 0.2%