English article about the 7% stock market returns average: <a href="http:&#x2F;&#x2F;money.usnews.com&#x2F;money&#x2F;personal-finance&#x2F;mutual-funds&#x2F;articles&#x2F;2012&#x2F;08&#x2F;08&#x2F;is-the-7-percent-return-for-stocks-extinct" rel="nofollow">http:&#x2F;&#x2F;money.usnews.com&#x2F;money&#x2F;personal-finance&#x2F;mutual-funds&#x2F;...</a>