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 63 51.2%
2 United States 11 8.9%
3 Netherlands 8 6.5%
4 Korea, Republic of 7 5.7%
5 Germany 7 5.7%
6 Spain 5 4.1%
7 Singapore 4 3.3%
8 Taiwan 3 2.4%
9 Hong Kong 3 2.4%
10 Brazil 2 1.6%
11 Italy 2 1.6%
12 Turkey 2 1.6%
13 United Kingdom 1 0.8%
14 Malaysia 1 0.8%
15 Russia 1 0.8%
16 Japan 1 0.8%
17 Canada 1 0.8%
18 India 1 0.8%