BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 72 35.3%
2 United States 66 32.4%
3 Netherlands 12 5.9%
4 Germany 8 3.9%
5 United Kingdom 8 3.9%
6 Hong Kong 7 3.4%
7 Malaysia 6 2.9%
8 Taiwan 6 2.9%
9 Japan 4 2%
10 Korea, Republic of 3 1.5%
11 Switzerland 2 1%
12 Brazil 2 1%
13 Canada 1 0.5%
14 France 1 0.5%
15 Kazakhstan 1 0.5%
16 Australia 1 0.5%
17 Portugal 1 0.5%
18 Singapore 1 0.5%
19 Sweden 1 0.5%
20 Turkey 1 0.5%