Looking on the internet deeply has found these results:

had retired for years is the most popular phrase on the web. 

Related Comparison

• I have worked for or I have worked for 10 years?
• worked four years or worked for four years?
• worked for two years or worked two years long?
• worked for two years or worked two years?
• have lasted for 10 years or have continued for 10 years?
• worked five years or worked for five years?