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 563 75.2%
2 United States 98 13.1%
3 Germany 46 6.1%
4 Taiwan 10 1.3%
5 Singapore 4 0.5%
6 India 4 0.5%
7 Japan 4 0.5%
8 Russia 3 0.4%
9 Canada 3 0.4%
10 Brazil 2 0.3%
11 Hong Kong 2 0.3%
12 Korea, Republic of 2 0.3%
13 Macao 2 0.3%
14 Malaysia 2 0.3%
15 Mauritius 2 0.3%
16 Mexico 1 0.1%
17 New Zealand 1 0.1%