    

:  

               (No Smoking Day).       (American Cancer Society)  1977 . 

    : 

   90%    , 75%      25%       ; 

          ( 2020           ); 

       ; 

      50-60%   (       95%). 

               . 

           ,            ,           . 

    47%    ,   38%,    9%,         6% . 

      22%    .    :    35%  ,       25% , 12%    , 6%   . 

  12%     , 56% ,   , 4% ,   , 28%    .   21%       ,    . 

         30% ,   70%. 

 ,         ,       .              ,     ,     ,      .