_________________________________________________
                                                  )

             2018               )         )
2019                    )       )
                    )
              )                               )
            2020
                                     (




  1


       (


  2
                                         —
       ÷
             (
                                    —
                                                      (


  3
                                                      (



                            5
                                        —                           “       “
                                                                      (


    4




                                  ≈                               (


    5
                                    (


                    (

                             )               )
)
                                                     ”




             2021   5        19        ×    2020                                    )
    2020                                     (                                2020
                        ≈        ≈
        10                         1.20                   (




                                                              2,533,256,912
                                  241,885,060

                                                 5
2,291,371,852                                           274,964,622.24               (




                         =[            -                 +                  ×
      ]÷ 1+                       (




                              ÷           1%                (


                                                    2021     5      20
  2.97   /          (


                              =                -                    1+

                 2020
                                   (
                 0(


                                                                                  (
                 =0.12   / (


                                                   =[   2.97-0.12    +0]   [1+0]=2.85    /
  (


                                                                                 (
             =


                                           5
=2,291,371,852 0.12      2,533,256,912    0.1085   / (


                                              =[ 2.97-0.1085 +0] [1+0]=2.8615
  / (


                           ÷=|
                                      |
=|2.85-2.8615|   2.85=0.40%(

                                                   ÷          1%    ÷    (




                                                                       )
   )             )                )
                     (




                                          5