 First Order Difference :   
 
    0.512987  
    0.411255  
    0.334955  
    0.276517  
    0.230952  
    0.194872  
    0.165913  
    0.142390  
Second Order Difference :   
 
  - 0.101732  
  - 0.076301  
  - 0.058438  
  - 0.045565  
  - 0.036081  
  - 0.028959  
  - 0.023522 
Third Order Difference :   
 
    0.025431  
    0.017863  
    0.012873  
    0.009484  
    0.007121  
    0.005437 
 Fourth Order Difference :   
 
  - 0.007569  
  - 0.004989  
  - 0.003389  
  - 0.002363  
  - 0.001684