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File:1969- Number of sanctioned perfect games in ten-pin bowling, per sanctioned bowler.svg





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 File:1969- Number of sanctioned perfect games in ten-pin bowling, per sanctioned bowler.svg
Size of this PNG preview of this SVG file: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 1,024 × 576 pixels | 1,280 × 720 pixels | 2,560 × 1,440 pixels | 1,200 × 675 pixels.

Original file ‎(SVG file, nominally 1,200 × 675 pixels, file size: 4 KB)





Summary

Description
English: Chart showing number of sanctioned perfect ("300") games by year in ten-pin bowling, both by raw numbers of perfect games, and numbers of perfect games per sanctioned league bowler
  • Freeman and Hatfield posit that the increase in perfect games is due to factors such as the introduction of reactive resin coverstocks, asymmetric ball cores, synthetic lane surfaces, and precision lane oiling machines.
  • Data listing and sourcing for number of sanctioned league bowlers is presented at File:1997- USBC membership and lanes and centers NORMALIZED.png (expand collapsible text).
  • Increase in games-per-bowler is largely due to declining league participation.
  • Source for number of league bowlers in 1980 is Bowling Through The Decades: The 1980s. PBS (Independent Lens) (2007). Archived from the originalonMarch 9, 2007.
  • Notes re Version 1: Raw numbers from Freeman and Hatfield. League bowler count, 1997-, per USBC. Dotted line based on linear interpolation of bowler count from 1980 (8M, per PBS) to 1997 (4.41M, per USBC).
  • Technical note: most SVG code was automatically generated by the "Line charts" spreadsheet linked at User:RCraig09/Excel to XML for SVG. Minor additions and adjustments were made in a text editor.
    • Translate this file This SVG file contains embedded text that can be translated into your language, using any capable SVG editor, text editor or the SVG Translate tool. For more information see: About translating SVG files.
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    Author RCraig09

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    Captions

    Chart showing number of sanctioned perfect ("300") games by year in ten-pin bowling, both by raw numbers of perfect games, and numbers of perfect games per sanctioned league bowler

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    Creative Commons Attribution-ShareAlike 4.0 International

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    3a5dcb748edcaa3342326659984cdae9df550964

    determination method: Wadia

    4,136 byte

    675 pixel

    1,200 pixel

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    Date/TimeThumbnailDimensionsUserComment
    current20:38, 13 October 2023Thumbnail for version as of 20:38, 13 October 20231,200 × 675 (4 KB)RCraig09Uploaded own work with UploadWizard



    The following pages on the English Wikipedia use this file (pages on other projects are not listed):
    ●Bowling
    ●Bowling league
    ●Glossary of bowling
    ●Perfect game (bowling)
    ●Strike (bowling)
    ●Ten-pin bowling

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