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 54 40.9%
2 United States 30 22.7%
3 Germany 15 11.4%
4 Japan 8 6.1%
5 Canada 5 3.8%
6 Taiwan 3 2.3%
7 Hong Kong 3 2.3%
8 Spain 2 1.5%
9 United Kingdom 2 1.5%
10 Ukraine 1 0.8%
11 Australia 1 0.8%
12 India 1 0.8%
13 Italy 1 0.8%
14 Macao 1 0.8%
15 Malaysia 1 0.8%
16 Netherlands 1 0.8%
17 Portugal 1 0.8%
18 Russia 1 0.8%
19 Singapore 1 0.8%