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 194 60.4%
2 United States 89 27.7%
3 Germany 7 2.2%
4 Taiwan 6 1.9%
5 Hong Kong 5 1.6%
6 Japan 4 1.2%
7 United Kingdom 3 0.9%
8 Malaysia 3 0.9%
9 France 2 0.6%
10 1 0.3%
11 Australia 1 0.3%
12 Korea, Republic of 1 0.3%
13 Macao 1 0.3%
14 New Zealand 1 0.3%
15 Portugal 1 0.3%
16 Singapore 1 0.3%
17 Spain 1 0.3%