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 134 38.4%
2 United States 114 32.7%
3 Hong Kong 25 7.2%
4 Germany 16 4.6%
5 Netherlands 14 4%
6 Canada 9 2.6%
7 Korea, Republic of 6 1.7%
8 United Kingdom 5 1.4%
9 Taiwan 4 1.1%
10 Portugal 4 1.1%
11 Singapore 4 1.1%
12 Japan 3 0.9%
13 France 2 0.6%
14 Australia 2 0.6%
15 Sri Lanka 2 0.6%
16 Malaysia 2 0.6%
17 Ukraine 1 0.3%
18 Sweden 1 0.3%
19 1 0.3%