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 373 68.9%
2 United States 63 11.6%
3 Germany 46 8.5%
4 Malaysia 8 1.5%
5 Netherlands 7 1.3%
6 Hong Kong 7 1.3%
7 Japan 7 1.3%
8 Singapore 6 1.1%
9 Canada 4 0.7%
10 Slovakia 3 0.6%
11 Taiwan 3 0.6%
12 Ireland 2 0.4%
13 Switzerland 2 0.4%
14 Australia 2 0.4%
15 France 2 0.4%
16 Lebanon 2 0.4%
17 Indonesia 1 0.2%
18 Portugal 1 0.2%
19 Ukraine 1 0.2%
20 United Kingdom 1 0.2%