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 225 66.4%
2 United States 40 11.8%
3 Germany 25 7.4%
4 Taiwan 16 4.7%
5 Malaysia 4 1.2%
6 Hong Kong 4 1.2%
7 France 4 1.2%
8 Singapore 3 0.9%
9 Spain 2 0.6%
10 United Kingdom 2 0.6%
11 Russia 2 0.6%
12 Korea, Republic of 2 0.6%
13 Australia 2 0.6%
14 Bulgaria 2 0.6%
15 Canada 2 0.6%
16 India 2 0.6%
17 Japan 1 0.3%
18 Luxembourg 1 0.3%