Table 4: Cumulative angular density of sources in the narrow energy bands.
Flux N(>S) N N(>S) N N(>S) N N(>S) N
  0.5-1 keV   1-2 keV   2-4.5 keV   4.5-10 keV  
(1) (2) (3) (4) (5) (6) (7) (8) (9)
-15.00 417.6 $\pm $ 2.9* 20 694 - - - - - -
-14.93 363.0 $\pm $ 2.5 20 604 470.7 $\pm $ 3.2* 21 185 - - - -
-14.84 315.8 $\pm $ 2.2 20 394 404.4 $\pm $ 2.8 21 059 - - - -
-14.70 239.4 $\pm $ 1.7 19 429 300.3 $\pm $ 2.1 20 338 - - - -
-14.43 132.9 $\pm $ 1.1 14 856 157.6 $\pm $ 1.2 16 004 302.4 $\pm $ 3.1* 9564 - -
-14.40 122.3 $\pm $ 1.0 14 054 144.5 $\pm $ 1.2 15 212 272.5$\pm $ 2.8 9523 - -
-14.10 56.1 $\pm $ 0.7 7291 58.2 $\pm $ 0.7 7452 110.6 $\pm $ 1.2 7980 - -
-14.04 46.3 $\pm $ 0.6 6071 47.1 $\pm $ 0.6 6125 89.6 $\pm $ 1.0 7325 - -
-13.85 26.5 $\pm $ 0.4 3501 24.9 $\pm $ 0.4 3286 46.8 $\pm $ 0.7 5022 92.2 $\pm $ 2.1* 1895
-13.80 22.8 $\pm $ 0.4 3013 21.1 $\pm $ 0.4 2796 39.0 $\pm $ 0.6 4407 73.8 $\pm $ 1.7 1867
-13.50 8.9 $\pm $ 0.3 1183 7.5 $\pm $ 0.2 989 12.3 $\pm $ 0.3 1598 22.1 $\pm $ 0.6 1432
-13.20 3.4 $\pm $ 0.2 453 2.9 $\pm $ 0.1 380 4.0 $\pm $ 0.2 534 6.6 $\pm $ 0.2 731
-12.90 1.4 $\pm $ 0.1 187 1.0 $\pm $ 0.1 134 1.3 $\pm $ 0.1 175 2.3 $\pm $ 0.1 293
-12.60 0.6 $\pm $ 0.1 73 0.4 $\pm $ 0.1 55 0.5 $\pm $ 0.1 66 0.7 $\pm $ 0.1 89
-12.30 0.2 $\pm $ 0.1 18 0.1 $\pm $ 0.1 16 0.1 $\pm $ 0.1 15 0.2 $\pm $ 0.1 27
(1) Energy band flux in log units. (2) Cumulative angular density of sources in units of ${\rm deg^{-2}}$ above given flux in the 0.5-1 keV energy band. (3) Number of sources above given flux in the 0.5-1 keV energy band. (4) Cumulative angular density of sources in units of ${\rm deg^{-2}}$ above given flux in the 1-2 keV energy band. (5) Number of sources above given flux in the 1-2 keV energy band. (6) Cumulative angular density of sources in units of ${\rm deg^{-2}}$ above given flux in the 2-4.5 keV energy band. (7) Number of sources above given flux in the 2-4.5 keV energy band. (8) Cumulative angular density of sources in units of ${\rm deg^{-2}}$ above given flux in the 4.5-10 keV energy band. (9) Number of sources above given flux in the 4.5-10 keV energy band. * Cumulative angular density of sources at the flux limit of our survey in the various narrow energy bands.

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