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 248 49.7%
2 United States 153 30.7%
3 Germany 36 7.2%
4 Canada 17 3.4%
5 Malaysia 13 2.6%
6 Singapore 7 1.4%
7 Macao 5 1%
8 Hong Kong 5 1%
9 Japan 4 0.8%
10 United Kingdom 3 0.6%
11 Spain 2 0.4%
12 Korea, Republic of 2 0.4%
13 France 2 0.4%
14 Moldova, Republic of 1 0.2%
15 Norway 1 0.2%