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 262 57.5%
2 Taiwan 74 16.2%
3 United States 58 12.7%
4 Germany 34 7.5%
5 Canada 13 2.9%
6 Netherlands 4 0.9%
7 France 2 0.4%
8 Japan 2 0.4%
9 Korea, Republic of 1 0.2%
10 Lithuania 1 0.2%
11 Macao 1 0.2%
12 Australia 1 0.2%
13 Norway 1 0.2%
14 Singapore 1 0.2%
15 Hong Kong 1 0.2%