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 235 59.8%
2 United States 69 17.6%
3 Germany 28 7.1%
4 Singapore 9 2.3%
5 Australia 9 2.3%
6 Japan 9 2.3%
7 Taiwan 7 1.8%
8 Hong Kong 6 1.5%
9 United Kingdom 5 1.3%
10 Spain 2 0.5%
11 Macao 2 0.5%
12 Netherlands 2 0.5%
13 New Zealand 2 0.5%
14 Philippines 2 0.5%
15 Portugal 2 0.5%
16 Croatia 2 0.5%
17 Canada 1 0.3%
18 Russia 1 0.3%